Home / 3,840,383.60-5,760,575.40-3,131,212.40

Finding the Fourth Proportional to 3,840,383.60, 5,760,575.40 and 3,131,212.40

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Solution

The fourth proportional to 3,840,383.60, 5,760,575.40 and 3,131,212.40 is: 4,696,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,383.60 : 5,760,575.40 = 3,131,212.40 : x
  2. Step 2: Convert to fraction form
    3,840,383.60/5,760,575.40 = 3,131,212.40/x
  3. Step 3: Cross multiply
    3,840,383.60x = 5,760,575.40 × 3,131,212.40
  4. Step 4: Simplify right side
    3,840,383.60x = 18,037,585,123,614.96
  5. Step 5: Solve for x
    x = 18,037,585,123,614.96/3,840,383.60
  6. Step 6: Final answer
    x = 4,696,818.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.